:root {
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --amber-500: #f59e0b;
  --red-50: #fef2f2;
  --red-600: #dc2626;
  --blue-50: #eff6ff;
  --blue-700: #1d4ed8;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 4px 16px rgba(15, 23, 42, .05);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; }
img, svg { display: block; max-width: 100%; }
a { color: var(--green-700); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 460px; }
.mt-0 { margin-top: 0; }
.stack > * + * { margin-top: 1rem; }

/* ---------- Header ---------- */
.site-header { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 12px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--ink); text-decoration: none; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { color: var(--ink-2); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 500; font-size: .95rem; }
.nav a:hover, .nav a.active { background: var(--green-50); color: var(--green-700); }
.nav form { margin: 0; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 1.1rem; cursor: pointer; }

@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; background: var(--card); border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  .nav.open { display: flex; }
  .nav .btn { text-align: center; }
}

/* ---------- Buttons & forms ---------- */
.btn { display: inline-block; border: 1px solid transparent; border-radius: 10px; padding: 10px 18px; font: inherit; font-weight: 600; font-size: .95rem; cursor: pointer; text-decoration: none; line-height: 1.2; transition: background .15s, border-color .15s; }
.btn-primary { background: var(--green-600); color: #fff; }
.btn-primary:hover { background: var(--green-700); }
.btn-secondary { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: #cbd5e1; background: var(--bg); }
.btn-link { background: none; border: none; color: var(--muted); padding: 4px 6px; font-weight: 500; }
.btn-link:hover { color: var(--ink); }
.btn-danger { color: var(--red-600); }
.btn-lg { padding: 14px 24px; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; text-align: center; }

label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--ink-2); }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=time], input[type=tel], select, textarea {
  width: 100%; font: inherit; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--green-500); outline-offset: -1px; border-color: var(--green-500); }
input[type=checkbox] { width: 18px; height: 18px; accent-color: var(--green-600); margin: 2px 0 0; flex-shrink: 0; }
.field { margin-bottom: 14px; }
.field-check { display: flex; gap: 10px; align-items: flex-start; }
.field-check label { font-weight: 400; margin: 0; }
.helptext, .field .helptext { display: block; color: var(--muted); font-size: .8rem; margin-top: 4px; }
.errorlist { list-style: none; margin: 4px 0 0; padding: 0; color: var(--red-600); font-size: .85rem; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.inline-form { display: inline; margin: 0; }

/* ---------- Messages ---------- */
.messages { list-style: none; padding: 0; margin: 16px 0 0; }
.messages li { padding: 12px 16px; border-radius: 10px; margin-bottom: 8px; font-size: .95rem; background: var(--blue-50); color: var(--blue-700); }
.messages li.success { background: var(--green-50); color: var(--green-700); }
.messages li.error { background: var(--red-50); color: var(--red-600); }

/* ---------- Cards / layout ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card h2 { font-size: 1.1rem; }
.card + .card { margin-top: 16px; }
.page { padding-top: 24px; padding-bottom: 64px; }
.page-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 20px; }
.page-head h1 { font-size: 1.6rem; margin: 0; }
.grid-2 { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 16px; align-items: start; }
.grid-2 > div > .card + .card { margin-top: 16px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Dashboard ---------- */
.day-nav { display: flex; align-items: center; gap: 4px; }
.day-nav a, .day-nav span.disabled { display: inline-flex; width: 36px; height: 36px; align-items: center; justify-content: center; border-radius: 8px; border: 1px solid var(--line); background: var(--card); text-decoration: none; color: var(--ink); }
.day-nav span.disabled { color: #cbd5e1; }
.summary-numbers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; margin-bottom: 16px; }
.summary-numbers .num { font-size: 1.75rem; font-weight: 800; letter-spacing: -.02em; }
.summary-numbers .lbl { font-size: .8rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.num.over { color: var(--red-600); }
.progress { height: 12px; background: var(--green-100); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--green-600); border-radius: 999px; }
.progress.over > span { background: var(--red-600); }
.meal-group + .meal-group { margin-top: 18px; }
.meal-group h3 { display: flex; justify-content: space-between; font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: 6px; }
.entry { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--line); }
.entry:first-of-type { border-top: none; }
.entry-main { min-width: 0; }
.entry-name { font-weight: 500; overflow-wrap: anywhere; }
.entry-cal { font-weight: 700; white-space: nowrap; }
.entry-actions { display: flex; align-items: center; gap: 2px; }
.tag { display: inline-block; font-size: .7rem; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--blue-50); color: var(--blue-700); margin-left: 6px; vertical-align: middle; }
.empty { text-align: center; color: var(--muted); padding: 24px 8px; }
.stat-big { font-size: 2rem; font-weight: 800; letter-spacing: -.02em; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; }
.pos { color: var(--red-600); }
.neg { color: var(--green-700); }
.segmented { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--card); }
.segmented a { padding: 8px 14px; text-decoration: none; color: var(--ink-2); font-weight: 500; font-size: .9rem; }
.segmented a + a { border-left: 1px solid var(--line); }
.segmented a.active { background: var(--green-600); color: #fff; }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-bottom: 16px; }
.chart-box { position: relative; height: 280px; }

/* ---------- Settings ---------- */
.status-pill { display: inline-block; font-size: .75rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; }
.status-pill.ok { background: var(--green-100); color: var(--green-700); }
.status-pill.warn { background: #fef3c7; color: #92400e; }
.reminder-list { list-style: none; padding: 0; margin: 0 0 16px; }
.reminder-list li { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }

/* ---------- Auth ---------- */
.auth-wrap { padding: 48px 0 80px; }
.auth-wrap h1 { font-size: 1.6rem; text-align: center; }
.auth-wrap .sub { text-align: center; color: var(--muted); margin-bottom: 24px; }

/* ---------- Marketing ---------- */
.hero { padding: 72px 0 56px; background: linear-gradient(180deg, var(--green-50), var(--bg)); }
.hero .container { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -.03em; }
.hero h1 span { color: var(--green-600); }
.hero .lead { font-size: 1.2rem; color: var(--ink-2); max-width: 34em; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.eyebrow { display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--green-700); background: var(--green-100); padding: 4px 12px; border-radius: 999px; margin-bottom: 16px; }
@media (max-width: 860px) { .hero .container { grid-template-columns: 1fr; } .hero { padding-top: 48px; } }

.phone { max-width: 320px; margin: 0 auto; background: #0f172a; border-radius: 36px; padding: 14px; box-shadow: 0 20px 60px rgba(15, 23, 42, .25); }
.phone-screen { background: #fff; border-radius: 26px; padding: 20px 14px; min-height: 420px; display: flex; flex-direction: column; gap: 10px; font-size: .9rem; }
.bubble { max-width: 82%; padding: 10px 14px; border-radius: 18px; line-height: 1.4; }
.bubble.me { align-self: flex-end; background: var(--green-600); color: #fff; border-bottom-right-radius: 4px; }
.bubble.them { align-self: flex-start; background: #f1f5f9; color: var(--ink); border-bottom-left-radius: 4px; }
.bubble.photo { padding: 0; overflow: hidden; width: 62%; }
.bubble.photo .plate { aspect-ratio: 4/3; background: radial-gradient(circle at 50% 50%, #fff 0 34%, #e2e8f0 35% 38%, #fde68a 39% 100%); display: grid; place-items: center; font-size: 2.6rem; }

.section { padding: 72px 0; }
.section.alt { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); font-weight: 800; }
.section-head p { color: var(--muted); font-size: 1.1rem; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.feature .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--green-100); display: grid; place-items: center; font-size: 1.4rem; margin-bottom: 14px; }
.feature h3 { font-size: 1.1rem; }
.feature p { color: var(--muted); margin: 0; }
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; counter-reset: step; }
.step { position: relative; padding-left: 52px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%; background: var(--green-600); color: #fff; font-weight: 700; display: grid; place-items: center; }
.step h3 { font-size: 1.05rem; }
.step p { color: var(--muted); }
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; max-width: 760px; margin: 0 auto; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; }
.plan.featured { border: 2px solid var(--green-600); }
.plan .price { font-size: 2.4rem; font-weight: 800; letter-spacing: -.02em; }
.plan .price small { font-size: 1rem; color: var(--muted); font-weight: 500; }
.plan ul { padding-left: 0; list-style: none; margin: 16px 0 24px; flex: 1; }
.plan li { padding: 6px 0 6px 26px; position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green-600); font-weight: 700; }
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.quote { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.quote p { font-size: 1.05rem; }
.quote .who { color: var(--muted); font-size: .9rem; margin: 0; }
.cta-band { background: var(--green-700); color: #fff; text-align: center; padding: 64px 0; }
.cta-band h2 { font-size: clamp(1.7rem, 3.5vw, 2.3rem); }
.cta-band .btn { background: #fff; color: var(--green-700); }
.site-footer { padding: 32px 0; color: var(--muted); font-size: .9rem; }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.site-footer a { color: var(--muted); margin-left: 16px; }
.prose { max-width: 720px; }
.prose h2 { font-size: 1.2rem; margin-top: 1.6em; }